Asteroid 2025 YU15 will sweep past Earth at remarkable speed this February, drawing global attention and raising questions about how closely scientists are watching the next celestial visitor.

The asteroid known as 2024 YR4 is out of sight yet still very much on scientists' minds. The building-sized object, which initially appeared to be on a potential collision course with Earth, is ...

NASA is tracking a plane-sized asteroid known as 2025 XM as it hurtles toward Earth’s neighborhood at roughly 9,753 miles per hour, a reminder of how busy and carefully watched our cosmic surroundings ...

Asteroid 2024 YR4, discovered in late December 2024, is about 60 meters in diameter. Early calculations briefly suggested it carried an unusually high risk of hitting Earth, drawing global attention, ...